# jacked

/ˈdʒækt/ (US) · /dʒˈækt/ (UK) · CEFR C1 · Adjective

Source: https://englishreference.com/word/jacked
Updated: 2026-05-07

## Definition

having a very muscular and strong body. You use this to describe someone who looks like they spend a lot of time lifting weights at the gym.

For teachers: possessing a high degree of muscular development and physical strength. Typically used predicatively after a linking verb like 'get' or 'be'.

## Examples

- He got totally jacked over the summer.
- After six months of heavy lifting and a strict diet, he looked completely jacked in his new gym photos.
- The actor had to get jacked for his role as a superhero, undergoing a grueling physical transformation that involved twice-daily workouts and a massive increase in protein intake.

## Usage notes

- Often follows linking verbs like 'is', 'became', or 'got'.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.